Articulating arm



FIG. 1 is a perspective view of a first embodiment of an articulating arm in an extended configuration showing our new design;

FIG. 2 is a front view thereof;

FIG. 3 is a rear view thereof;

FIG. 4 is a right side view thereof;

FIG. 5 is a left side view thereof;

FIG. 6 is a top view thereof; and,

FIG. 7 is a bottom view thereof.

The dashed lines shown in FIGS. 1-7 are included for the purpose of illustrating environmental subject matter only and form no part of the claimed design. 

The ornamental design for an articulating arm, as shown and described. 